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Providing a comprehensive portfolio of transformer preservation and mechnical accessories

Delivering cost-effective solutions for transformer health

To secure reliable and safe service conditions for transformers, Hitachi Energy provide a comprehensive range of preservation and mechanical accessories, including digital transformer monitoring open platform solutions. 

Our portfolio includes the new generation of sensors and smart devices for all types of transformers and a comprehensive range of mechanical components and valves for distribution and power transformers, which includes various sizes of transformer wheels, oil draining devices, connection pipes, cable glands, and valves. These cost-effective complete solutions monitor transformer health and improve safety, reliability, and efficiency while minimizing environmental impact.

Our local and global after-sales and service teams and knowledgeable customer support network offer expert support to help select the right device for your application. From replacements to upgrades and conventional to digital devices, we offer the most complete portfolio in the industry.

Preservation and Mechanical Accessories

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We are your partner in solving your challenges

30 years of experience

Hitachi Energy has more than 30 years of experience in manufacturing transformer preservation and mechanical accessories.

Comprehensive product portfolio

Hitachi Energy has a combination of high-quality and the comprehensive product portfolio for distribution and power transformers on the market that makes us the partner of choice.

One-stop-shop supplier

Hitachi Energy is a one-stop-shop supplier that supplies transformer components and insulation worldwide.

Knowledgeable customer support

Hitachi Energy's local and global after-sales, service teams, and knowledgeable customer support network offers expert support to help select the right device for your application.
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Our team is here to help you and can give you all details on preservation and mechanical accessories.

Why Hitachi Energy?


WE ARE EXPERTS | Our worldwide network of more than 1,300 specially trained personnel provides high-quality service. We offer direct remote access via Web link communications.


WE ARE THERE WHEN YOU NEED US | You can rely on us 24/7/365. Our target is to assist you in your daily challenges so that you can focus on what matters to you.


COUNTRIES WORLDWIDE | With service centers in more than 30 countries worldwide, we are always close to your location.